Komen Knoxville's 20th Annual Race for the Cure is on Saturday at World's Fair Park. You can register to walk or run online, at West Town Mall or on race day from 6:45 a.m. to 8 a.m. The race starts at 8:30 a.m.

Dogwood Arts will present their scarfmaking workshop on Saturday in Krutch Park. Proceeds from the event support cancer patients and caregivers. It lasts from 10 a.m. to 6 p.m. Tickets are $30.

The East Avenue House of Prayer will host a fall festival on Saturday. There will be food, games and music. It starts at 10 a.m.

TVA presents its 3rd Annual SturgeonFest on Saturday at Seven Islands State Birding Park. Help hand-release 2,000 native lake sturgeon into the French Broad River from 11 a.m. to 1 p.m.

Head to Lonsdale Elementary on Saturday for Hero Day. Athletes and community members will team up to mentor and educate children on serving the city of Knoxville. The event will honor Zaevion Dobson. It lasts from 12 p.m. to 3 p.m.

UT's 2nd Annual Contemporary Music Festival is on Saturday at the Emporium. Join the Electroacoustic and the Contemporary Music Ensembles for free. That starts at 2 p.m.

The Ice Bears will host the Roanoke Rail Yard Dawgs on Saturday. The game starts at 7:30 p.m. Doors open at 6 p.m. Tickets range in price.

Head to West Town Mall for trick-or-treating on Saturday. It lasts from 5 p.m. to 8 p.m.

Restaurant Linderhof will host an Oktoberfest Celebration on Saturday and Sunday. Enjoy German food, polka music and more. The fun starts at 5 p.m. on Friday and noon on Saturday.

Harper Auto Square presents Cars and Coffee on Sunday. The event will be in the West Town Mall parking lot from 8 a.m. to 11 a.m.

There will be a Buddy Walk on Sunday in World's Fair Park. There will be food and entertainment, family activities and a silent auction. It starts at 1 p.m.

The Knoxville Botanical Garden & Arboretum will host its annual Fall Festival on Sunday. There will be hay rides, marshmallow roasting, vendors and more. Admission is free. It lasts from 1 p.m. to 5 p.m.

Celebrate Candoro Marble's Fall Homecoming on Sunday. There will be a chili supper and music by the Knox County Jug Stompers. The event is free. It lasts from 2 p.m. to 6 p.m.

The University of Tennessee's Institute of Agriculture will host their "Howl-O-Ween Pooch Parade and Pet Expo" at the UT Gardens on Sunday. The free event caters to dogs and dog lovers, with plenty of food and treats. It starts at 1 p.m.

It is the last weekend to catch "Boo! At the Zoo". Take your kids to Zoo Knoxville for some candy, decorations and games with animals. Tickets are $9. The fun starts at 5:30 p.m. each night. Children under 4 are free.